Line-guide.



A. G. OHNSMAN.

' LINE GUIDE.

APPLIOATION FILED DEO.12, 1912.

2 SHEETS-SHEET l.

R3 WITNESSES Q INVENTOR M N N MM m, A'Lbf/PT Q0/7W6Mfl/l/ man/varsCOLUMBIA PMNOGRAPH co WASHINGTON, D. cv

Patented Feb. '10, 1914.

2 SHEETS-SHEET 2.

N I IIVVENTOR WITNESSES ATTORNEYS COLUMBIA PLANOGRAFH 50., WASHINGTON,D. c.

ALBERT C. OHNSMAN, 0F COLUMBUS, OHIO.

LINE-GUIDE.

Specification of Letters Patent.

Patented Feb. 10, 1914.

Application filed December 12, 1912. Serial No. 736,392.

To all whom it may concern:

Be it known that I, ALBERT C. OHNSMAN, a citizen of the United States,and a resident of Columbus, in the county of Franklin and State of Ohio,have invented a new and useful Improvement in Line-Guides, of which thefollowing is a specification.

My invention is an improvement in line guides, and has for its objectthe provision of simple, inexpensive, and easily transportable means forholding a line at each end of the field to be planted, so arranged thatthe line will be held tight during the planting, and when the row isplanted the succeeding line may be indicated.

In the drawing, Figure 1 is a diagrammatic plan view of the device inuse, Fig. 2 is a perspective view of the guide at one end, Figs. 3, and4 are sect-ions on the line 33 and 4-4, of Fig. 2, and Fig. 5 is a viewsimilar to Fig. 4 showing the parts in another position.

The present embodiment of the invention comprises a plurality of holdingdevices 1 and 2, each in the form of a block having a central opening 3for receiving a stake 4 of metal or the like, said stake having anangular handle portion 5 at its upper end, for convenience in drivingand withdrawing the stake. Each of the holding devices 1 and 2 isprovided at one side with a pair of oppositely extending verticallyspaced parallel lugs or arms 6 and 7, and the arm 6 is provided with avertical hub or bearing 8. Each of the blocks is also provided with anextension 10 having a horizontal transverse opening 11, for receivingone end of a bar 12 and a set-screw 13 is threaded through theextension, for engaging the bar 12 to prevent movement of the barthrough the bearing.

A rod 14 is provided, the said rod having at one end an angular portion15 which passes through the bearing 8 in the arm 6 of the block 1. A pin16 is passed through the lower end of the angular portion 15, below thebearing 8, for limiting the upward movement of the said angular portion.The other end of the rod 14 rests upon the upper face of the arm 6 ofthe block 2. The upper end of the opening through the bearing 8 iscountersunk as shown at 17 and a screw bolt 18 is passed through thebearing, the head of the bolt fitting the countersink 17 The lower endof the bolt 18 is engaged by a nut 19, and a coil spring 20 encirclesthe bolt between the nut 19 and the lower end of the bearing 8. Thespring normally holds the bolt in the position shown in Fig. 5, and whenthe rod 14 is in the position shown in Figs. 2 and 4, the pressure ofthe rod prevents downward movement of the bolt.

A block 21 is mounted to slide on the rod 14, and a set-screw 22 isthreaded through the block and engages the block to fiX the block withrespect to the rod. The block is provided with an eye 23 at the sideremote from the bar 12 and the line 24 has one of its ends engaged withthe ring.

In operation, a pair of holding devices and a bar 12 is arranged at eachside or end of the field as shown in Fig. 1. Each of the bars 12 isarranged in a position transverse to the rows, and the said bars areparallel with each other. The bars are held in this position, by meansof the stakes 4. At one end of the field, the rod 14 is arrangedparallel with the bar 12, while at the other end the said rod isarranged at right angles to the bar 12. The line 24 extends from theblock 21 at one end of the field to the block 21 at the other end andforms a guide for the proper planting of the row.

The operator plants from the holding device at the top of Sheet 1 of thedrawing toward the holding device at the lower end of the sheet. Whenthe operator reaches the end of the row he pulls the stakes 4 whichconnects the bar 12 at that end of the field to the ground, thusreleasing the holding devices at that end of the field, that is theholding devices at the bottom of Sheet 1 of the drawing. The releasingof the said holding devices from the ground slacks the line 24, thusreleasing thepressure on the bolt 18, and the spring 20 presses the boltdownwardly into the position of Fig. 5, releasing the bar 14, andpermitting the said bar to swing into the dotted line position at theright and top of Sheet 1. The operator now carries the bar 12 andconnected parts which have just been released to the right, or to thedotted line position at the bottom and right of Sheet 1 of the drawings.Here he again anchors the said device, and swings the rod 11 intoengagement with the bolt 18 at that end of the field, thus holding therod 1e1- parallel with the bar 12. The rod it at the other end of thefield, that is at the top of Sheet 1 of the drawing is perpendicular tothe bar 12, as indicated in dotted lines at the extreme right and top ofSheet 1 of the drawing. The operator now plants toward the other end ofthe field, that is from the bottom to the top of Sheet 1. This processis continued until the planting is finished. It will be understood thateach of the holding devices is moved two rows at each movement.

The rod or arm 14 at the end of the field remote from the operator isheld against the bolt 18 and holds the said bolt in the position of Fig.at. As soon however as tension on the line at is released, the spring 20will move the bolt 18 into the position of Fig. 5. The said bolt 18 andthe spring 20 constitute a releasable latch device.

I claim 1. A device of the character specified, comprising a pluralityof bars, and anchoring devices for each end of each bar, each ofthe'said devices comprising a block having an opening for receivingastake and having an extension provided with a bearing for receiving oneend of a bar, a set-screw threaded through the extension for engag ingthe bar to prevent longitudinal movement thereof on the bar, each of thesaid blocks having a pair of vertically spaced laterally extending arms,the upper end of each block having a bearing, a rod having an angularportion engaging the bearing of one block, a latch device engaging thebearing of the other block, a spring normally forcing the said devicedownwardly, a block slidable on the rod, said block being adapted toengage the latch device to prevent downward movement thereof, a lineconnecting the blocks, and a set screw threaded through the block forengaging the rod.

2. A device of the character specified, comprising a holding device foreach end of the line, each of the said devices comprising a pair ofblocks each having an opening for receiving a stake for holding theblock to the ground and a bearing, a bar engaging the bearings of theblocks, means for clamping the bar to each block, an arm mounted toswing on one of the blocks, a stop on the other block for engaging infront of the arm to hold the arm from outward movement, a springnormally pressing the stop downward, a block slidable on the arm, saidstop being adapted to engage the block on the arm to prevent lateralmovement of the arm and to hold the stop in elevated position,

and a line connecting the blocks of the holding devices.

3. A device of the character specified, comprising a holding device foreach end of the line, each of the said devices comprising a pair ofblocks each having an opening for receiving a stake for holding theblock to the ground and a bearing, a bar engaging the bearings of theblocks, means for clamping the bar to each block, an arm mounted toswing on one of the blocks, a spring pressed latch device on, the otherblock for engaging in front of the arm to prevent said arm from swingingoutwardly, said latch being held in upward position by the pressure ofthe armand arranged to release the arm when such pressure is re laxed,and a block slidable on the arm and having means for clamping the blockto the arm, and a line connecting the last named blocks.

4:. A device of the character specified, comprising a holding device foreach end of the line, each of the said devices comprising a bar, meansat each end of the bar and adjustable on the bar for anchoring the barto the ground, an arm mounted to swing on the said anchoring means, avertically movable stop on the other of the said means for engaging infront of the arm to hold the said arm, a spring pressing the stopdownwardly to release the arm, said stop being held in upward positionby the pressure of the arm, and means adjustable on each arm for holdingone end of a line.

5. A device of the character specified, comprising a pair of bars, meansfor anchoring each of the said bars in place, an arm mounted at one endof each bar for swinging movement of the free end of the arm toward andaway from the bar, a releasable latch device for holding each armnormally in parallelism with the bar, and means on each arm for holdingone end of the line.

6. A device of the character specified, comprising a holding device foreach end of the line, said device comprising an arm mounted to swing oneach of the said holding devices, means on each of the said hold ingdevices for normally preventing outward swinging movement of the armaway from the said holding device, a spring acting normally to move thesaid holding means into inoperative position, said holding means beingheld against movement by the spring by the pressure of the said arm, andmeans on each arm for holding one end of the line,

said means being adjustable on the arm, and

means for securing each of the said holding means in adjusted position.

7. A device of the character specified, comprising a holding device foreach end of the line, said device comprising an arm =mounted to swing oneach of the said holding devices, means on each of the said holdby thepressure of the said arm, and means ing devices for normally preventingouton each arm for holding one end of the line. Ward swinging movementof the arm away from the said holding device, a spring act- ALBERTOHNSMAN ing normally to move the said holding means Witnesses:

into inoperative position, said holding means 0. A. SPENOE,

being held against movement by the spring L. H. MASTELLER.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Eaten", Washington, D. G.

